2, 6, 12, 20, 30, ___, 56

Answer Posted / hariharasudhan

common difference of the next next numbers are in the G.P.
6-2=4
12-6=6
20-12=8
30-20=10
?-30=12
so the ?=42
that's also match the next number also.
56-42=14
so the answer is 42

Is This Answer Correct ?    8 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Average of 5 number is -10 sum of 3 numbers is 16,what is the average of other two numbers?

695


what is the sum of 7 consecutive odd numbers with 27 as the fourth number

778


A can do a piece of work in 20 days, which B can do in 12 days. In 9 days B does ¾ of the work. How many days will A take to finish the remaining work?

691


In a triangle, the average of the two angles is 56 degrees where as their difference is 24 degrees. What is the measurement of the biggest angle of the triangle?

677


Hansie made the following amounts in seven games of cricket in India: Rs.10, Rs.15, Rs.21, Rs.12, Rs.18, Rs.19 and Rs.17(all figures in crores of course).Find his average earnings.

885






Find the next series: AA AB BC CE ?

835


In a company 30% are supervisors and 40% employees aare male if 60% of supervisors are male what is the probability that is randomly choosen employee is a male or female?

946


I and two of my friends were playing a game. For each win I get Rs 3. Totally I had three wins. Player 2 got Rs.9 and player 3 got Rs 12. How many games had been played?

1489


How many ways can one arrange the word EDUCATION such that relative positions of vowels and consonants remains same?

836


Find out the Simple Interest paid for a sum of $4000 at the rate of 8% per annum for 3 months.

824


A cloth merchant claims to sell is material at cost price but uses a scale which reads 1 meter for every 95 centimeter. Find the gain percent?

1805


Rahul took a part in cycling game where 1/5 ahead of him and 5/6 behind him then total number of participants?

2644


A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.

751


The ratio of the number of boys and girls in a school is 3:2 Out of these 10% the boys and 25% of girls are scholarship holders. % of students who are not scholarship holders.?

783


There are following denominations of money: 1, 2, 5, 10, 20, 50, and 100 paise. Alex has as twice mony as David, who has as twice as Bindya, who again has as twice money as Charles. Each has two coins in hand. Which coins Bindya has?

773